Move browsing data deletion prefs to components

components/browsing_data/pref_names.cc

Index: components/browsing_data/pref_names.cc
diff --git a/components/browsing_data/pref_names.cc b/components/browsing_data/pref_names.cc
index 5b7890373ff184520d6574f852df60ac337edeeb..c4cb874a7fc44c477c967e98ed0027fe84386f17 100644
--- a/components/browsing_data/pref_names.cc
+++ b/components/browsing_data/pref_names.cc
@@ -8,9 +8,19 @@ namespace browsing_data {
 
 namespace prefs {
 
-// Clear browsing data delete time period
+// Clear browsing data deletion time period.
 const char kDeleteTimePeriod[] = "browser.clear_data.time_period";
 
+// Clear Browsing Data dialog datatype preferences.
+const char kDeleteBrowsingHistory[] = "browser.clear_data.browsing_history";
+const char kDeleteDownloadHistory[] = "browser.clear_data.download_history";
+const char kDeleteCache[] = "browser.clear_data.cache";
+const char kDeleteCookies[] = "browser.clear_data.cookies";
+const char kDeletePasswords[] = "browser.clear_data.passwords";
+const char kDeleteFormData[] = "browser.clear_data.form_data";
+const char kDeleteHostedAppsData[] = "browser.clear_data.hosted_apps_data";
+const char kDeleteMediaLicenses[] = "browser.clear_data.media_licenses";
+
 }  // namespace prefs
 
 }  // namespace browsing_data